package Kuaishou;

import java.util.HashMap;
import java.util.Map;

/**
 * @author leiwenkang <leiwenkang@kuaishou.com>
 * Created on 2021-10-27
 */
public class Test47日期 {
    public static void main(String[] args) {
       Map<Integer, String> map1 = new HashMap<>();
       Map<Integer, String> map2 = new HashMap<>();
       map1.put(1, "lei");
       map1.put(2, "wen");
       map2.put(3, "kang");

       map1.putAll(map2);
       System.out.println(map1);

    }
}
